Asked by Jiskhaaaa
I need the perimeter to a trapazoid
A(-2,5) B(8,5) C(-4,-1) D(4,8)
the area is 45
perimeter is supposed to equal 31.4
am I doing something wrong I got 42.14 instead of 31.4 someone give me the answer please
A(-2,5) B(8,5) C(-4,-1) D(4,8)
the area is 45
perimeter is supposed to equal 31.4
am I doing something wrong I got 42.14 instead of 31.4 someone give me the answer please
Answers
Answered by
oobleck
AD║BC
AD = √45
BC = √180
AC = √40
BD = √25
The altitude is √20, so
area = (√45+√180)/2 * √20 = 45
perimeter = √45 + √180 + √40 + √25 = 31.449
Too bad you didn't show your work...
AD = √45
BC = √180
AC = √40
BD = √25
The altitude is √20, so
area = (√45+√180)/2 * √20 = 45
perimeter = √45 + √180 + √40 + √25 = 31.449
Too bad you didn't show your work...
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.